.sub-header {
    padding-bottom: 10px;
    border-bottom: 1px solid #eee;
}
.navbar-fixed-top {
    border: 0;
}
.sidebar {
    display: none;
        background-color: #212d3c;
}

@media (min-width: 768px) {
    .sidebar {
        position: fixed;
        top: 10px;
        bottom: 0;
        left: 0;
        z-index: -1;
        display: block;
        padding: 60px 0;
        overflow-x: hidden;
        overflow-y: auto;
        border-right: 1px solid #eee;
        background-color: #212d3c;
    }
    .navbar-form{
        height: 60px;
        line-height: 60px;
        margin: 0 10px;
    }
    
}
@media (max-width: 768px) {
     .navbar-form{
        text-align: center;
     }
    .navbar-form #search{
        
        display: inline-block;
        width:60% !important;
    }
    .navbar-form .button{
        display: inline-block;
    }
   
}

.layui-nav-tree{
    width:100%
}
.nav-sidebar {
    margin-right: -21px;
    margin-bottom: 20px;
    margin-left: -20px;
}
.nav-sidebar>li>a {
    padding-right: 20px;
    padding-left: 20px;
}
.nav-sidebar>.active>a,
.nav-sidebar>.active>a:hover,
.nav-sidebar>.active>a:focus {
    color: #fff;
    background-color: #428bca;
} 
.main {
    padding:60px 20px 20px 20px;
}
a:hover{
    text-decoration: none !important;
}
a:active{
    text-decoration: none !important;
}
a:visited{
    text-decoration: none !important;
}
a:link
{
    text-decoration: none !important;
}
@media (min-width: 768px) {
    .main {
        padding-right: 40px;
        padding-left: 40px;
    }

}
.main .page-header {
    margin-top: 0;
} 
.placeholders {
    margin-bottom: 30px;
    text-align: center;
}

.placeholders h4 {
    margin-bottom: 0;
}

.placeholder {
    margin-bottom: 20px;
}

.placeholder img {
    display: inline-block;
    border-radius: 50%;
}

.table-responsive .table,
.table>thead:first-child>tr:first-child>th {
    text-align: center;
}

#menu {
    color: white;
    line-height: 55px;
    padding: 0 10px;
    cursor: pointer;
    text-decoration: none;
    background: #222222;
}

#menu:hover {
    background: #222222;
    color: white;
}

#menu:active {
    color: white;
    background: #222222;
}

#authcode {
    border: 1px solid #ccc !important;
}

label {
    font-size: 15px;
    font-weight: 600;
}

nav .nav li {
    margin: 0 10px;
} 

.layui-btn+.layui-btn{
    margin-left: 2px;
}
.layui-nav-child dd{
    margin:10px 0;
}
header{
    width: 100%;
    display: block ;
    border-radius: 0;
    position: fixed;
    top:0;
        z-index: 1000;
}
#txt {
    display: block;
    padding: 5px;
    resize: none;
    border: 1px solid #61b3e6;
    border-radius: 5px;
    outline: none;
}

.list {
    width: 100%;
    overflow: hidden;
    border: 1px solid #ddd;
    padding: 10px;
    margin: 30px 0;
}

.list .nick {
    font-size: 14px;
    padding: 5px 0;
    text-align: left;
}

.list .msg {
    font-size: 16px;
    height: 60px;
    line-height: 20px;
}

.list .time {
    text-align: left;
    font-size: 14px;
}